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HazMat 200 > Meter > Flashcards

Meter Flashcards

1
Q

What does the multi RAE meter look for?

A
  1. LEL 10%-20%
  2. Oxygen (O2) 19.5-23.5
  3. Hydrogen sulfide (H2S) 10ppm-15ppm
  4. Carbon monoxide (CO) 35ppm- 100ppm
  5. Volatile organic compounds (VOC) 50ppm-100ppm
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2
Q

Multi RAE

What contaminants may give you false reading, damage sensors, or damage meter?

A

Organic silicones

Silicates
- Lead containing compounds

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3
Q

What are VOCs and what is the highest ionization potential (IP) that the meter can detect?

A

Volatile organic compounds Dash modern industry industrial chemicals such as fuels, coatings, solvents, refrigerant etc. they have a tendency to evaporate easily under normal conditions making them volatile and they have a high flashpoint.

10.6 eV

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4
Q

How do you do a bump test on a multi RAE?

A
  1. Once you’re at your home screen press and hold the Y+ & N- keys at the same time the bump screen will appear. Apply the 4 gas and press start.
  2. Now bump the PID sensor. Apply gas press start
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5
Q

Multi RAE

What do we want to do prior to metering a hazardous area?

A

Block pump inlet to make certain pump is working. Press reset

Bump test. If it fails bump test then calibrate.

Confirm measurement gas (conversion factor) is set appropriately

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6
Q

How does the multi RAE read VOC’s?

A

There are three different PID sensors That can be used. One reads ppm, and reads 0.1 to 5000 ppm, and another that reads 1 to 1000 ppm, third one that reads parts per billion 10 PPB - 2000 ppm

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7
Q

What gas do we calibrate LEL, 02, CO, and H2S on? What gas do we calibrate VOC’s on?

A

Multigas- methane, oxygen, carbon monoxide, hydrogen sulfide

Isobutylene

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8
Q

How do we calibrate Multie RAE?

A
  1. Must be in fresh air to perform
  2. home screen press “O” button and “N-“ at same time.
  3. Next screen will have six icons
  4. Select upper left icon that looks like calibration bottle
  5. Scroll down to “multi sensor span” & select
  6. Attach 4 gas and select start
  7. Once done you will see pass or fail the meter will go into PID calibration
  8. Apply Isobutylene press start
  9. Once complete select back button to go to the home page
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9
Q

When using multi RAE to meter for combustible liquids with flashpoint above 100°F what area of the meter should be watched?

A

VOC’s High carbon molecule products may give erroneous low readings in the LEL area

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10
Q

Multi RAE

What are the alarm levels?

A 
10% LEL
02 19.5% and above 23.5%
35 ppm CO
10 ppm H2S 
100ppm VOC
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11
Q

Toxi RAE

What three Gases Are supplied for this meter?

A

(NH4)Ammonia
(Cl2) Chlorine
(HCN) Hydrogen cyanide

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12
Q 
Toxi RAE
What does (max) indication code mean?
A

Gas exceeds electronics maximum range

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13
Q 
Toxi RAE
What does (over) indication code mean?
A

Gas exceeds measurement range

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14
Q 
Toxi RAE
What does (HIGH) indication code mean?
A

Gas exceeds hiGh Alarm limit

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15
Q 
Toxi RAE
What does (Low) indication code mean?
A

Gas exceeds lower alarm limit

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16
Q 
Toxi RAE
What does (STEL) indication code mean?
A

Gas exceeds STEL limit

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17
Q 
Toxi RAE
What does (TWA) indication code mean?
A

Gas exceeds TWA limit

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18
Q 
Toxi RAE
What does (CAL) indication code mean?
A

Calibration failed, or needs calibration

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19
Q 
Toxi RAE
What does (BAT) indication code mean?
A

Low battery

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20
Q

Name five sensors that can be used on TOXI RAE meter

A

ACDC

Ammonia
Chlorine 
Nitrogen Dioxide
Sulfur Dioxide 
Hydrogen Cyanide
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21
Q

What does the gas ranger look for?

A

Methane

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22
Q

What is 5% gas

A

50,000ppm

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23
Q

Gas ranger

When you were in % LEL when does it alarm?

A

10% LEL

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24
Q

Gas Ranger

When you are in %Gas When does the meter alarm?

A

5% Gas

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25
How do you reset a gas Ranger?
Place ranger in auto zero hold reset, turn to % gas And hold for 3-5 seconds , Move back to auto zero
26
What does hazmat Cad plus look for?
Toxic industrial chemicals Chemical warfare agents Hydride gas Halogen gas Phosgene gas Hydrogen cyanide 7 agent codes G, H, Tox, BLoD, CHOK, HYdR, HALO
27
Haz Cad plus | What is the difference in the modes on the Haz CAD plus?
Fast mode (FS)20 seconds analysis time. High sensitivity (HS) 120 second analysis time HS Detects concentrations levels six times lower than fast mode
28
Hazmat Cad plus | What are the three positions in the purposes on the simple inlet?
Open - stimulant testing Closed- for storage Dust Filter- Impedes particles and water from entering inlet this position should be used for field sampling
29
Hazmat Cad plus | What does “alarm” mean?
Red blinking light indicates a threat vapor has been detected
30
Hazmat Cad plus | What does “all clear” mean?
Green steady light no vapor threat present
31
Hazmat Cad plus | What does “low Bat” mean?
Yellow light indicates power is running low
32
Hazmat Cad plus | What does “Sys OK” mean?
Green blinking light indicates proper electrical operations of instrument
33
Hazmat Cad plus | What are “G” agents?
“G” Nerve Agents GA- Tabun GB- Sarin GD- Soman GF- no common name
34
Hazmat Cad plus | What are “H” agents?
H are Blister agents Mustard gases L- Lewisite
35
How long does the Hazmat CAD plus need to run for warm up to give you an accurate reading?
15mins
36
Which of the instruments measures the amount of flammable vapors and gases in the atmosphere? Pg. 260
Combustible gas indicator (CGI) - Multi Rae - 5 star
37
To test for corrosivity, A technician would most likely use what? Pg 260
pH paper
38
Relative response refers to an instruments response to a reading relative to its _________. Pg 268
Calibration gas
39
At what level oxygen concentration is the atmosphere considered oxygen deficient?
19.5
40
What Instruments consist of a glass tube connected to a piston or bellows type pump? Pg. 279
Colorimetric tube
41
An ultraviolet light source such as a UV lamp would most likely be used for which type of monitoring device? Pg. 286
Photo-ionization detector
42
If you are monitoring a gas with an LEL of 2% and your combustible gas indicator reads 50% LEL, what is the actual percentage of gas in the atmosphere? Pg. 268
1%
43
A CGI May not give reliable results if the oxygen concentration is below what percentage? Pg 275
10%
44
A 1% Drop in oxygen level indicates that ________ppm of some other product has taken place in the atmosphere. Pg 275
50,000
45
What is the most common energy lamp PID used in the hazmat response multi RAE
10.6 eV
46
Surface acoustic wave (SAW) sensors, are beneficial for the detection of what? Pg 294
Nerve and blister agents
47
What color does PH paper turn when it’s acidic and what color does it turn when it’s base?
Red acid | Blue Base
48
the ________ is the interval between the time an instrument senses a chemical containment and when it produces data. Pg 266
Instrument response time
49
What meter would you use for | Sarin
Hazmat Cad plus
50
What meter would you use for | Chlorine
Toxie Rae | Hazmat Cad
51
What meter would you use for | Phosgene
Hazmat Cad plus
52
What meter would you use for | Mercury
Jerome
53
What meter would you use for | Blood Agents
Hazmat Cad plus
54
What meter would you use for | Methane
Gas Ranger
55
What meter would you use for | Volatile Organic Compound
Multie RAE
56
What meter would you use for | Oxygen
Multie RAE
57
What meter would you use for | Nerve Agents
Hazmat Cad plus
58
What meter would you use for | Carbon Monoxide
Multie Rae
59
What meter would you use for | Hydrogen Sulfide
Multi Rae | Hazmat Cad plus
60
What meter would you use for | Sulfur Dioxide
Toxi Rae
61
What meter would you use for | Mustard
Hazmat Cad plus
62
What meter would you use for | Hydrogen cyanide
Toxi Rae | Hazmat Cad plus
63
What meter would you use for | Ammonia
Multie Rae | Toxi Rae
64
What meter would you use for | Fluorine
Hazmat Cad plus
65
What does the Eberlein look for?
Gamma and X-Ray with blue sausage Alpha and beta with probe
66
Eberline What is the reading angles of the blue sausage (Scintillator)
90ft at a 75 degree cone at scintillator
67
What does the green light indicate on the Eberline?
Normal function
68
What does the identifinder look for?
Gamma and Neutron radiation Identifies Radiation source
69
At what rating is a hot zone established with the Eberline?
2mR
70
# Define Eberline readings uR mR R
uR - Micro Rem mR- Milli Rem R - Rem
71
What does the Jerome meter look for?
Mecury
72
What is considered a contaminated reading of a person or area with mercury?
.03 mg/mm3
73
Jerome meter | What does LOBAT mean?
Battery needs to be recharged?
74
Jerome meter | What does EEE mean?
Battery to Low to function-meter will shit off
75
Jerome meter | What does PPP mean?
Power Cord required
76
Jerome meter | What does LLL mean?
Monitor needs to be Re-zero
77
Jerome meter | What does 888 meter mean?
Meter needs to be regenerated
78
Jerome meter | What does HL mean?
Sample detected exceeds maximum ranger of meter of .999 mg/m³ Hg

HazMat 200 (4 decks)

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